<template>
    <div class="todo-footer">
        <label>
            <input type="checkbox" v-model="isAllChecked" />
        </label>
        <span>
            <span>已完成{{ countSelected }}</span> / 全部{{ countAll }}
        </span>
        <button @click="deleteAllSelected" class="btn btn-danger">
            清除已完成任务
        </button>
    </div>
</template>

<script>
export default {
    name: "Footer",
    props: [
        "countSelected",
        "countAll",
        "deleteAllSelected",
        "todoList",
        "changeAllSelected",
    ],
    computed: {
        isAllChecked: {
            get() {
                return this.countSelected === this.todoList.length && this.todoList.length;
                // this.countAll === this.todoList.length &&
                // this.todoList.length
            },
            set(newVal) {
                this.changeAllSelected(newVal);
            },
        },
    },
};
</script>

<style>
.todo-footer {
    height: 40px;
    line-height: 40px;
    padding-left: 6px;
    margin-top: 5px;
}

.todo-footer label {
    display: inline-block;
    margin-right: 20px;
    cursor: pointer;
}

.todo-footer label input {
    position: relative;
    top: -1px;
    vertical-align: middle;
    margin-right: 5px;
}

.todo-footer button {
    float: right;
    margin-top: 5px;
}
</style>
